Ishlangan namuna
Advertisements for memory-training apps often cite studies showing that users improve at the exercises the apps contain. Improvement on a trained task, however, is the one result such a study is guaranteed to produce. The question that matters is whether the gain shows up anywhere else — in recalling a shopping list, say, or a name — and on that question the evidence has so far been thin.
What is the main purpose of the underlined sentence?
- It explains how memory-training apps are designed.
- It points out that the evidence being cited cannot show what it is being used to suggest.
- It concedes that memory-training apps produce genuine benefits.
- It introduces a study that contradicts the advertisers' claims.
1-qadam — oldingi jumla: reklamalar tadqiqotlarga havola qiladi (foydalanuvchilar mashqlarda yaxshilanadi).
2-qadam — keyingi jumla: «asl savol — bu foyda boshqa joyda ko'rinadimi», va dalil kam.
3-qadam — o'chirish sinovi: tagi chizilgan jumlani olib tashlasak, reklamaning dalili bilan mualliflarning shubhasi o'rtasida bo'shliq qoladi. Yo'qolgan narsa — nega o'sha dalil hech nimani isbotlamasligi. Vazifa: keltirilgan dalilning kuchsizligini ko'rsatish.
TO‘G‘RIIt points out that the evidence being cited cannot show what it is being used to suggest — aynan o'chirish sinovi topgan bo'shliq. is guaranteed to produce — «bu natija baribir chiqadi», ya'ni u hech nimani isbotlamaydi.
TUZOQIt explains how memory-training apps are designed — mazmunni qayta aytish tuzog'i, va u ham noto'g'ri: jumla ilovaning tuzilishi haqida emas, tadqiqotning tuzilishi haqida.
TUZOQIt concedes that memory-training apps produce genuine benefits — teskari. Jumla foydani tan olmayapti — u foyda deb ko'rsatilgan narsa avtomatik natija ekanini aytyapti. however so'zi yo'nalishni allaqachon aytib turibdi.
TUZOQIt introduces a study that contradicts the advertisers' claims — yarim to'g'ri: jumla reklamachilarga qarshi. Lekin u birorta yangi tadqiqotni keltirmaydi — u mavjud tadqiqotlarning mantiqi haqida gapiryapti. Ikkinchi yarmi o'ylab topilgan.